Tiller-Trail HWY over South Umpqua River
FairDouglas County, Oregon · 0.5 MI W of Days Creek Po · Structure no. 19C471 1 1031
- Built
- 1989
- 36 years old
- Condition
- Fair
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 364 ft
- 3 main spans
- Daily traffic
- 4,214
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Tiller-Trail HWY over South Umpqua River is a prestressed concrete stringer/multi-beam or girder carrying Tiller-Trail HWY over South Umpqua River in Douglas County, Oregon. It was built in 1989, so it is 36 years old, younger than the Oregon average of 49.9 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 4,214 vehicles a day, roughly 10% of them trucks, projected to reach 4,764 by 2025. The structure is 364 ft (110.9 m) long and 39 ft wide. If it were closed, the detour would be 26.1 mi (42 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Tiller-Trail HWY over South Umpqua River built?
It was built in 1989, making it 36 years old in 2025.
What condition is Tiller-Trail HWY over South Umpqua River in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2023.
How much traffic does Tiller-Trail HWY over South Umpqua River carry?
About 4,214 vehicles per day (2020 count), of which roughly 10% are trucks.
How long is Tiller-Trail HWY over South Umpqua River?
The structure is 364 ft (110.9 m) long with a longest span of 130 ft (39.6 m) and a deck 39 ft wide.
Who owns Tiller-Trail HWY over South Umpqua River?
It is owned by the County Highway Agency.